Directions: In the following sentence, four words or phrases have been underlines. Choose the word or phrase that is inappropriate in standard written English and mark your answer as (1), (2), (3) or (4) depending on whether the error is underlined part (1), (2), (3), or (4).
The workers had (1) struck (2) work (3) since (4) 1st January, 1992.
Reveal answer
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